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One-loop effective scalar-tensor gravity
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DOI：10.1140/epjc/s10052-020-8371-2.png)
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Abstract
En 中文
Non-minimal interactions are proven to be generated at the one-loop level in simple scalar-tensor gravity models. The John interaction from the Fab Four class is generated. The interaction affects the speed of gravitational waves in the contemporary Universe. Its role in low-energy phenomenology is discussed. Brans-Dicke-like interaction is generated in a non-minimal model. An opportunity to generate a dynamic low-energy Newton constant is addressed.
Keywords:
VILKOVISKY EFFECTIVE ACTION
RADIATIVE-CORRECTIONS
CONFORMAL-INVARIANCE
QUANTUM-GRAVITY
FIELD
CONSTANT
ORIGIN
DIVERGENCES
INFLATION
BREAKING
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